Surf Forecasts:
How big are the waves at Winthrop Jetty today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 3.5ft (1.0m), 6s period with NE swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 2.5ft (0.8m), 6s period with NE swell.
- Evening surf: Evening surf (19 Sep, local time) - 2ft (0.6m), 5s period with NE swell.
The current surf forecast for Winthrop Jetty at 1PM is: 0.9m 6s primary swell from a Northeast direction and 0.3m 7s secondary swell from a East-southeast direction (forecast issued at 07:00am September 19). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 3.5ft (1.0m) | 6s |
| Afternoon (19 Sep) | 2.5ft (0.8m) | 6s |
| Evening (19 Sep) | 2ft (0.6m) | 5s |
Table - waves today at Winthrop Jetty. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Sun night. Very mild (max 15°C on Sun afternoon, min 12°C on Mon morning). Wind will be generally light. | |||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | |||||||||||||||||||||
5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NE 5 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | ENE 5 | ESE 7 | ESE 7 | ESE 7 | E 11 | E 9 | E 11 | E 9 | SE 4 | E 8 | E 8 | NE 4 | NE 5 | NE 5 | ENE 5 | ENE 5 | ENE 5 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 40 | 75 | 60 | 52 | 39 | 24 | 17 | 10 | 10 | 10 | 9 | 6 | 9 | 14 | 26 | 12 | 12 | 46 | 66 | 50 | 44 | 28 | 28 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | on | on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | on | on | cross-on |
High Tide | 6:03AM2.34m | 6:13PM2.65m | 7:01AM2.32m | 7:11PM2.65m | 7:59AM2.36m | 8:08PM2.69m | |||||||||||||||||
Low Tide | 11:56AM0.74m | 00:43AM0.53m | 12:52PM0.75m | 1:39AM0.52m | 1:48PM0.71m | ||||||||||||||||||
 |  | |  | |  | | | |  | | |  |  |  | | | | | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:43 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 7 | 3 | 3 | 1 | 1 | — | — | — | — | — |
Temp °C | 14 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 15 | 14 | 14 | 15 | 15 | 13 | 12 | 14 | 15 | 15 | 15 | 15 |
Feels °C | 11 | 9 | 10 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 12 | 13 | 12 | 12 | 15 | 15 | 9 | 9 | 10 | 11 | 12 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | E 8 | ESE 8 | ESE 7 | NE 6 | NE 6 | NE 6 | ENE 5 | ENE 5 | NE 5 | ENE 5 | ESE 7 | ESE 7 | E 9 | E 9 | ESE 4 | ESE 4 | ESE 4 | E 8 | E 8 | E 8 | E 8 | ENE 5 | ENE 5 |
| kJ | 5 | 6 | 10 | 52 | 39 | 24 | 17 | 10 | 6 | 4 | 5 | 5 | 6 | 14 | 14 | 11 | 6 | 5 | 5 | 5 | 5 | 28 | 28 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 12 | E 12 | ESE 7 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 11 | E 9 | ESE 7 | E 11 | E 8 | E 8 | E 8 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 |
| kJ | 3 | 11 | 3 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 6 | 5 | 2 | 12 | 12 | 12 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | E 11 | NE 5 | NE 4 | E 11 | — | E 11 | E 11 | E 11 | E 10 | — | — | ESE 10 | E 8 | — |
| kJ | — | — | — | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 9 | — | 2 | 2 | 9 | 2 | — | — | 9 | 1 | — |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 6 | NE 6 | — | — | — | — | — | — | SE 2 | ESE 3 | ESE 4 | ESE 4 | ESE 4 | SE 4 | — | NNE 3 | NE 4 | NE 5 | NE 5 | ENE 5 | — | — |
| kJ | 40 | 75 | 60 | — | — | — | — | — | — | 1 | 2 | 2 | 3 | 8 | 26 | — | 2 | 46 | 66 | 50 | 44 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 106 | 64 | 1243 | 1243 | 1243 | 1236 | 55 | 988 | 963 | 963 | 55 | 963 | 1844 | 1947 | 335 | 181 | 119 | 527 | 527 | 527 | 118 | 118 | 118 |
Best forecast wave conditions in Massachusetts | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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